explorer 8.8 in an a-body: experience needed

ab7fh said

All a RP valve would do for me is to eliminate the double pump which is necessary when the piston pulls into the caliper. Thing is I don't have to do a double pump, which means the piston isn't retracting into the caliper.

A RP has no effect on brake bias as you are claiming.

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Apparently you do since you have changed front pads twice in a 60/40 system, i said a RV has no effect on brake bias, and keeping fluid retracting a piston are 2 entirely different things.. brake bias is controlled by one or two other things not a RV

Idaho said

http://ecihotrodbrakes.com/brake_facts.html

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That is true, and yet i have seen many vehicles with discs added still need RV.

Even i have had to put RV in 2 of my cars when going over to disc in the rear.